Sony MB-806A Service Manual page 50

IC
CPU Pin Description : IC701
CXP83416-051Q
—TOP VIEW—
65
66
67
68
69
70
71
72
V
DD
73
74
75
76
77
78
79
80
[Inputs]
Singal Name Pin No. Description
VDD 72
VSS 33
EXTAL 31
XTAL 32
VLC1 37
VLC2 38
VLV3 39
ALO 22
RSSI(A) 23
RSSI(B) 24
MODEL 25
ADDRESS 27
DIST1 28
DIST2 29
TONE1 13
NOISE 14
TONE2 15
PLL LD 16
GP 80
CH 1
+ 12
_
18
SQL SET 21
RST 30
4-6
40
39
38
37
36
35
34
33
GND
32
31
30
29
28
27
26
25
Power supply input +5V
GND for power supply input
Clock input (8 MHz)
Clock input
(8 MHz: Phase-reversal of EXTAL)
Bias voltage input for LCD
Bias voltage input for LCD
Bias voltage input for LCD
Audio signal level (analog) input
RF signal level of ANTENNA A input
RF signal level of ANTENNA B input
Judgment for model type
(L: WRR-802A, H: MB-806A)
Judgment for slot number (MB-806A)
Selection 1 for destination (model type)
Selection 2 for destination (model type)
Tone signal detection (L: detecting)
Noise signal detection (L: detecting)
Battery tone signal detection (L: detecting)
PLL lock etection (H: Lock)
GP operation button
CH operation button
+ operation button
_ operation button
RSSI learning mode setting
Reset (L: ON)
[Outputs]
Singal Name Pin No. Description
MODEL 26 Model selection
(L: WRR-802A, MB-806A)
COM0 - COM3 38 - 41 LCD control
SEG0 - SEG19 42 - 61 LCD control
VL 34 Bias voltage control for LCD
LED RF 71 Control for RF LED (H: ON)
LED AF 76 Control for AF LED (H: ON)
LED BATT 20 Control for BATT LED (H: ON)
DIV 66 Diversity control (H: ANT A, L: ANT B)
AFM 67 AF muting control (H: Muting OFF)
[Inputs/Outputs for EEPROM and PLL]
Singal Name Pin No. Description
ROM-DO 17 EEPROM control
ROM-CS 68 EEPROM control
ROM-SK/PLL-CLK 69 EEPROM/PLL control
ROM-DI/PLL-DATA 70 EEPROM/PLL control
PLL-LE 77 PLL control
[Inputs/Outputs for communication]
Singal Name Pin No. Description
IF-CS 6 Serial I/O control
IF-CLK 7 Serial I/O control
IF-DI 8 Serial I/O control
IF-DO 9 Serial I/O control
TEST 78 Test mode (L: ON)
MASTER/SLAVE 10 MASTER/SLAVE communication
[Others]
Singal Name Pin No. Description
PB0/CS1 5 NC
PB6/SI1 11 NC
PC6 19 NC
PE5/PWM0 3 NC
PE6/T0/ADJ 4 NC
PD4/SEG20 62 NC
PD5/SEG21 63 NC
PD6/SEG22 64 NC
PD7/SEG23 65 NC
TX 73 NC
PE1/INT1 79 Connect to GND
PE4/RMC 2 Connect to GND
TEX 74 Connect to GND
— 75 Connect to GND
MB-806A (CE)
WRU-806A (CE, AU)